Why Do Marketers in Most Industries Have Difficulty Making Estimates

Multiple Choice

Why do marketers in most industries have difficulty making estimates and predictions beyond five years?

A) The elected members hold the office for five years which stabilizes political and legal environment only for five years.
B) There are many uncertainties in the marketplace.
C) The margin for error in long-term forecasting is very small.
D) The cost involved limits predictions beyond five years.